Current conditions at
Hyannis, Barnstable Municipal-Boardman Airport (KHYA)
Lat: 41.67°NLon: 70.27°WElev: 49ft.
Fog
49°F
9°C
| Humidity | 100% |
| Wind Speed | S 7 G 16 mph |
| Barometer | 29.74 in (1007.0 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 0.50 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 19 Apr 10:56 am EDT |
Extended Forecast for
South Dennis MA
Today

High: 57 °F
Rain and
Patchy FogTonight
Low: 37 °F
Chance Rain
and Patchy
Fog then
Mostly ClearMonday
High: 51 °F
Sunny then
Slight Chance
RainMonday Night

Low: 36 °F
Slight Chance
ShowersTuesday

High: 47 °F
Sunny
Tuesday Night

Low: 36 °F
Partly Cloudy
Wednesday

High: 51 °F
Partly Sunny
Wednesday Night

Low: 41 °F
Mostly Cloudy
Thursday

High: 55 °F
Mostly Sunny
Detailed Forecast
Today
Rain and possibly a thunderstorm. Patchy fog. High near 57. South wind 8 to 14 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of rain before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog before 10pm. Otherwise, cloudy during the early evening, then gradual clearing, with a low around 37. West wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A slight chance of rain after 2pm. Increasing clouds, with a high near 51. Southwest wind around 6 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 36. Calm wind becoming north 5 to 8 mph after midnight. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 47. North wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 36. Southwest wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 51. South wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 41. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 55. West wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 41. Light and variable wind becoming northwest around 5 mph in the evening.
Friday
Mostly sunny, with a high near 53. North wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 41. Light and variable wind.
Saturday
Partly sunny, with a high near 54. Northeast wind 5 to 8 mph becoming east in the afternoon.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
South Dennis MA
41.69°N 70.16°W (Elev. 7 ft)
41.69°N 70.16°W (Elev. 7 ft)
3:05 am EDT Apr 19, 2026
11am EDT Apr 19, 2026-6pm EDT Apr 25, 2026


